<template>
	<view class="cart-container" v-if="cart.length !== 0">
		<!-- 收货地址组件 -->
		<my-address></my-address>
		<!-- 商品列表的标题区域 -->
		<view class="cart-title">
		  <!-- 左侧的图标 -->
		  <uni-icons type="shop" size="18"></uni-icons>
		  <!-- 描述文本 -->
		  <text class="cart-title-text">购物车</text>
		</view>
		<!--循环渲染购物车中的商品信息  -->
		<uni-swipe-action>
			<block v-for="(goods,i) in cart" :key="i">
				<uni-swipe-action-item :options="options" @click="swiperItemClickHandler(goods)">
					<my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
				</uni-swipe-action-item>
			</block>
		</uni-swipe-action>
		
		
		<!-- 使用自定义的结算组件 -->
			<my-settle></my-settle>
	</view>
	
	<!-- 空白购物车的区域 -->
	<view class="empty-cart" v-else>
		<image src="../../static/cart_empty@2x.png" class="empty-img"></image>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	import { mapState, mapMutations} from 'vuex'
	
	
	export default {
		mixins:[badgeMix],
		computed:{
			...mapState('m_cart', ['cart'])
		},
		data() {
			return {
				options: [{
					text: '删除',
					style: {
						backgroundColor: '#C00000'
					}
				}]
			};
		},
		methods:{
			...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
			radioChangeHandler(e){
				// console.log(e);
				this.updateGoodsState(e)
			},
			//商品的数量发生变化
			numberChangeHandler(e){
				this.updateGoodsCount(e)
			},
			swiperItemClickHandler(goods){
				console.log(goods)
			},
			// 点击了滑动操作按钮
			swipeActionClickHandler(goods) {
				this.removeGoodsById(goods.goods_id)
			}
		
		}
		 
	}
</script>

<style lang="scss">
	.cart-container{
		padding-bottom: 50px;
	}
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
	font-size: 14px;
    margin-left: 10px;
  }
}

.empty-cart{
	display: flex;
	flex-direction: column;
	align-items: center;
	padding-top: 150px;
	.empty-img{
		width: 90px;
		height: 90px;
		
	}
	
}
</style>
